公开(公告)号：US3720704A

公开(公告)日：1973-03-13

申请号：US3720704D

申请日：1969-06-16

申请人： TOYO SODA MFG CO LTD

发明人： SAKOMURA T ,  KISAKI H ,  TADA T ,  MABUCHI S

IPC分类号： C07C69/16 ,  G04D7/12 ,  C07C67/02

CPC分类号： G04D7/12 ,  C07C67/11 ,  C07C69/007 ,  C07C69/16

摘要： IN A PROCESS FOR PREPARING ACETIC ACID ESTERS BY REACTING 3,4-DICHLORO-1-BUTENE OR A MIXTURE OF 3,4-DICHLORO-1-BUTENE AND 1,4-DICHLORO-2-BUTENE WITH AN ALKALI METAL ACETATE, A PROCESS FOR PREPARING 1,4-DIACETOXY-2-BUTENE SELECTIVELY CHARACTERIZED BY ADDING AT LEAST ONE ELEMENTAL METAL SELECTED FROM A GROUP CONSISTING OF COPPER, IRON AND ZINC OR A COMPOUND THEREOF.

公开(公告)号：US3843733A

公开(公告)日：1974-10-22

申请号：US31705072

申请日：1972-12-20

申请人： TOYO SODA MFG CO LTD

发明人： TSUTSUMI Y ,  KISAKI H ,  MABUCHI S

IPC分类号： C07C33/035 ,  C07C31/18

CPC分类号： C07C33/035

摘要： A method for selectively producing 2-butene-1,4-diol in the presence of a buffering amount of a water-soluble salt of a carboxylic acid and with the addition of alkali or a salt which shows alkalinity on hydrolytic dissociation.